Czochralski Puller Crucible Heating Windings from Germany
Induction heating windings surrounding graphite crucibles in Czochralski crystal pullers for silicon melting at 1420°C. Core temperature treatment component per statistical note (a)(i). Classifies under 8419.90.95 machinery parts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Certify windings for ultra-high vacuum/argon atmosphere operation
• Provide power-frequency specs matching CZ puller electrical systems
• Include contamination analysis reports for polysilicon purity maintenance